1.Structural Transformation of the Korean Healthcare System to Protect National Health Rights:From the Perspective of Consumers and Primary Care
Mihwa YOO ; Hee Gyung KANG ; Jae-Heon KANG ; Minjoung KO ; Jong Myoung KIM ; Kunhee PARK ; Serng Bai PAK ; Chiwon SEO ; Junghee AHN ; Juhwan OH ; Eunyoung CHO ; Eun Jin HA
Korean Journal of Family Practice 2026;16(1):9-12
The South Korean healthcare system has achieved rapid quantitative growth; however, it continues to face critical challenges in ensuring the fundamental right to health of its citizens. From the perspective of healthcare consumers and civil society, this article identifies structural problems such as imbalances in medical accessibility, instability in essential and emergency care, and the limited participation of consumers in healthcare policy-making. Although the constitution stipulates the state’s responsibility to protect public health, current healthcare policies often prioritize administrative efficiency and provider-centered interests over patient experiences and health outcomes. In particular, this article argues that these challenges are closely related to the inadequate functioning of an accountable healthcare management framework. Structural failures in essential care, workforce shortages, and regional disparities are insufficiently monitored and addressed at the system level, resulting in responsibilities being blurred or shifted to individual healthcare providers. Consequently, the risks and burdens arising from systemic weaknesses are ultimately borne by citizens. To address these issues, this article emphasizes two major shifts. First, meaningful consumer participation must be institutionalized within healthcare governance to strengthen accountability, transparency, and responsiveness. Second, family medicine and primary care should be reinforced as the cornerstone of a sustainable, community-based healthcare system that ensures continuity of care, prevention, and chronic disease management. Re-establishing the healthcare system based on the right to health is not merely a technical adjustment, but a structural transformation toward a responsible and accountable system in which the state clearly assumes responsibility for monitoring, learning, and corrective action.
2.Dietary management of pediatric patients with kidney disease: recommendations by the Korean Society of Pediatric Nephrology and the Korean Society of Clinical Nutrition
Yo Han AHN ; Hee Gyung KANG ; Jiyoung SONG ; Sangmi HAN ; Eujin PARK ; Jin-Soon SUH ; Jeong Yeon KIM ; Min Ji PARK ; Keum Hwa LEE ; Seon Hee LIM ; Kyeong Hun SHIN ; Hyunji KO ; Hyun Joo LEE ; Eunyoung JEONG ; Jinsu KIM ; Sohyun PARK ; Eonju CHOI ; Yuri SEO ; Kyooyung OH ; Jin Kyoung KIM ; Hyun Kyung LEE
Childhood Kidney Diseases 2026;30(1):4-14
Pediatric kidney disease has a relatively lower prevalence than do other pediatric conditions and has a notably different etiology from kidney diseases observed in adults. Furthermore, the pediatric population is unique in that they experience ongoing growth and development, distinguishing them from adult patients. Consequently, pediatric patients with kidney disease require more specialized and meticulous nutritional management than do adults. To address this need and promote optimal dietary practices for pediatric patients with kidney disease, pediatric nephrologists from the Korean Society of Pediatric Nephrology and nutritionists from the Korean Society of Clinical Nutrition have collaborated to establish nutritional guidelines specifically tailored to Korean dietary patterns. These guidelines offer detailed, nutrient-specific recommendations covering energy, protein, calcium, phosphorus, and potassium consumption while providing practical, culturally relevant guidance intended to support both pediatric patients and their caregivers.
3.Diagnostic and prognostic performance of PAK1 methylation in patients with hepatocellular carcinoma undergoing liver transplantation
Shin HWANG ; Hyo Jung KO ; Eunyoung TAK ; Kyoung-Jin LEE ; Yun-Kyu LEE
Clinical Transplantation and Research 2026;40(1):104-115
Background:
DNA methylation is under investigation as an early diagnostic biomarker for cancers such as hepatocellular carcinoma (HCC). p21-activated protein kinase 1 (PAK1) demonstrates a high methylation tendency in HCC. We assessed the diagnostic and prognostic performance of PAK1 methylation in liver transplantation (LT) recipients with and without HCC.
Methods:
To assess PAK1 methylation, stored pretransplant blood samples from LT recipients were analyzed by droplet digital polymerase chain reaction.
Results:
This study included 274 patients with HCC and 100 control patients without the disease. Ten-year survival rates in the HCC and control groups were 60.5% and 80.6%, respectively (P=0.001). The 10-year HCC recurrence rate was 39.0%. Ten-year survival rates in the HCC recurrence and nonrecurrence groups were 13.3% and 91.2%, respectively (P<0.001); median PAK1 methylation levels in the control and HCC groups were 50.0 and 108.0 copies (P=0.102). The area under the receiver operating characteristic curve was 0.599, and the Youden J index was 0.199, indicating 57.9% sensitivity and 62.0% specificity at a cutoff of 78 copies. With a cutoff of 5 copies, sensitivity was 94.1% and specificity was 14.0%. The positive likelihood ratio was 1.09 and the negative likelihood ratio was 0.42, indicating diagnostic accuracy below α-fetoprotein and protein induced by vitamin K absence or antagonist-II. PAK1 cutoffs of 5 and 10 copies did not affect HCC recurrence, but a cutoff of 2 copies appeared associated with lower recurrence.
Conclusions
These data suggest that PAK1 methylation is not a clinically useful biomarker for HCC in LT recipients. New DNA methylation biomarkers are required for early diagnosis.
4.A Comparative Study of Three National Surveys on Biliary Atresia by the Korean Association of Pediatric Surgeons
Yeon Jun JEONG ; Dayoung KO ; Hyunhee KWON ; Ki Hoon KIM ; Dae Yeon KIM ; Soo-Hong KIM ; Wontae KIM ; Hae-Young KIM ; Hyun Young KIM ; Seong Chul KIM ; Younghyun NA ; Jung-Man NAMGOONG ; So Hyun NAM ; Junbeom PARK ; Jinyoung PARK ; Tae-Jun PARK ; Jeong-Meen SEO ; Ji-Young SUL ; Joonhyuk SON ; Hyun Beak SHIN ; Joohyun SIM ; Soo Min AHN ; Hee Beom YANG ; Jung-Tak OH ; Chaeyoun OH ; Joong Kee YOUN ; Sanghoon LEE ; Ju Yeon LEE ; Kyong IHN ; Hye Kyung CHANG ; Eunyoung JUNG ; Jae Hee CHUNG ; Yu Jeong CHO ; Yun Mee CHOE ; Soo Jin Na CHOI ; Seok Joo HAN ; In Geol HO ; Ji-Won HAN
Advances in Pediatric Surgery 2025;31(2):47-58
Purpose:
Biliary atresia (BA) is a rare but progressive cholangiopathy and the leading cause of pediatric liver transplantation worldwide. The Korean Association of Pediatric Surgeons (KAPS) has conducted three national surveys (2001, 2011, and 2023) to assess long-term trends in the diagnosis, treatment, and outcomes of BA. This study provides a comparative analysis of the 2nd and 3rd national surveys, with reference to selected findings from the 1st survey.
Methods:
This study included 453 patients from the 3rd national survey (2011–2021) and 435 patients from the 2nd survey (2001–2010), all of whom underwent Kasai portoenterostomy. Data were collected via electronic case report forms from pediatric surgical centers nationwide. Comparisons were made regarding demographics, clinical features, diagnostic patterns, operative details, follow-up outcomes, and survival. Kaplan–Meier analysis was used to evaluate long-term survival.
Results:
The mean number of BA patients per year remained stable between surveys (43.5 in the 2nd, 41.18 in the 3rd), though centralization of care increased, with 61.5% of cases managed by two major institutions in the 3rd survey. The median age at surgery decreased, and the use of preoperative imaging (especially magnetic resonance cholangiopancreatography) increased. The 10-year native liver survival rate declined from 59.8% to 53.7%, while overall 10-year survival improved slightly (92.9% to 93.2%). Postoperative complications, such as cholangitis and liver failure, persisted but were better categorized. The 3rd survey also reported improved mortality (4.9%) and reduced follow-up loss (11.5%) compared to the 2nd survey.
Conclusion
While overall survival after Kasai operation has remained high and even improved, native liver survival has slightly declined. The findings reflect earlier diagnosis, more consistent diagnostic imaging, and increasing centralization of care. These trends underscore the importance of long-term nationwide data collection in guiding future strategies for BA management in Korea.
5.Comparative Analysis of National Surveys of Intestinal Atresia: A Retrospective Study by the Korean Association of Pediatric Surgeons
Jinyoung PARK ; Dayoung KO ; Eun-jung KOO ; Hyunhee KWON ; Ki Hoon KIM ; Dae Yeon KIM ; Seong Chul KIM ; Soo-Hong KIM ; Wontae KIM ; HaeYoung KIM ; Hyun-Young KIM ; So Hyun NAM ; Jung-Man NAMGOONG ; Junbeom PARK ; Taejin PARK ; Min-Jung BANG ; Jeong-Meen SEO ; Ji-Young SUL ; Joonhyuk SON ; Joohyun SIM ; Soo Min AHN ; Hee-Beom YANG ; Jung-Tak OH ; Chaeyoun OH ; Joong Kee YOUN ; Sanghoon LEE ; Ju Yeon LEE ; Kyong IHN ; Hye Kyung CHANG ; Yeon Jun JEONG ; Eunyoung JUNG ; Jae Hee CHUNG ; Min Jeong CHO ; Yun-Mee CHOE ; Seok Joo HAN ; In Geol HO ; Jeong HONG
Advances in Pediatric Surgery 2025;31(1):8-15
Purpose:
This study aims to investigate and compare the incidence, demographic characteristics, clinical manifestations, preoperative diagnostic methods, anatomical classifications, associated anomalies, operative treatments, and postoperative outcomes of patients with intestinal atresia treated by the members of the Korean Association of Pediatric Surgeons (KAPS) through three nationwide surveys.
Methods:
KAPS conducted 3 national surveys in 1998, 2010, and 2024 to examine the patients diagnosed with intestinal atresia. In preparation for the survey, we developed a customized case registration form to obtain data on patient sex, birth weight, gestational age, clinical manifestations, preoperative diagnostic methods, anatomical types, associated anomalies, operative treatments, and postoperative outcomes. Authorized KAPS members completed the case registration form.
Results:
The first, second, and third national surveys included 218, 222, and 236 individuals diagnosed with intestinal atresia, respectively. The male-to-female ratios were 1.5:1, 1.1:1, and 1.1:1, respectively. The first, second, and third national surveys revealed that 34.3%, 43.3%, and 53.4% of patients were born before 37 weeks of gestation, respectively. Additionally, 28.7%, 32.0%, and 40.7% of patients had a birth weight under 2,500 g. In the third national survey, duodenoduodenostomy was the most common procedure, performed in 70 out of 82 patients diagnosed with duodenal atresia. Resection and anastomosis were the main surgical procedures conducted in 47 out of 54 cases of jejunal atresia and 74 out of 92 cases of ileal atresia. The mortality rates in the first, second, and third national surveys were 13.8%, 3.6%, and 1.3% respectively, with the lowest rate observed in the third national survey.
Conclusion
These national surveys offer valuable insights into the current state of intestinal atresia, including specific surgical interventions and postoperative outcomes in South Korea. For pediatric surgeons aiming to enhance their understanding of intestinal atresia and its treatment options, these surveys could be an indispensable resource and guide.
6.Dietary management of pediatric patients with kidney disease: recommendations by The Korean Society of Pediatric Nephrology and The Korean Society of Clinical Nutrition
Yo Han AHN ; Hee Gyung KANG ; Jiyoung SONG ; Sangmi HAN ; Eujin PARK ; Jin-Soon SUH ; Jeong Yeon KIM ; Min Ji PARK ; Keum Hwa LEE ; Seon Hee LIM ; Kyeong Hun SHIN ; Hyunji KO ; Hyun Joo LEE ; Eunyoung JEONG ; Jinsu KIM ; Sohyun PARK ; Eonju CHOI ; Yuri SEO ; Kyooyung OH ; Jin Kyoung KIM ; Hyun Kyung LEE
Kidney Research and Clinical Practice 2025;44(6):863-874
Pediatric kidney disease has a relatively lower prevalence than do other pediatric conditions and has a notably different etiology from kidney diseases observed in adults. Furthermore, the pediatric population is unique in that they experience ongoing growth and development, distinguishing them from adult patients. Consequently, pediatric patients with kidney disease require more specialized and meticulous nutritional management than do adults. To address this need and promote optimal dietary practices for pediatric patients with kidney disease, pediatric nephrologists from the Korean Society of Pediatric Nephrology and nutritionists from the Korean Society of Clinical Nutrition have collaborated to establish nutritional guidelines specifically tailored to Korean dietary patterns. These guidelines offer detailed, nutrient-specific recommendations covering energy, protein, calcium, phosphorus, and potassium consumption while providing practical, culturally relevant guidance intended to support both pediatric patients and their caregivers.
7.Korea Nurses’ Health Study and the health of reproductive-aged women: a cohort profile
Chiyoung CHA ; Heeja JUNG ; Sue KIM ; Jung Eun LEE ; Kwang-Pil KO ; Eunyoung CHO ; Hyun-Young PARK ; Joong-Yeon LIM ; Bo Mi SONG ; Sihan SONG ; Soojin PARK ; Aram CHO
Epidemiology and Health 2024;46(1):e2024048-
The Korea Nurses’ Health Study (KNHS) is an ongoing, large-scale, prospective cohort study of women nurses, focusing on the effects of occupational, environmental, and lifestyle factors on the health of women. The first KNHS survey was performed in 2013-2014 (n=20,613). As of December 2023, 11 follow-up surveys have been conducted. Participants who were pregnant were asked to participate in the early pregnancy survey (n=2,179) and postpartum survey after giving birth (n=2,790). The main variables included socio-demographic, work-related, lifestyle, physical, mental, and women’s health factors. Blood, urine, and toenail samples were collected from a participant subgroup of the first survey (n=1,983). The subgroups of the second survey completed a food frequency questionnaire in 2019 (n=300) and 2021 (n=871). In 2020, a subgroup of the first survey answered a coronavirus disease 2019-related survey (n=975). To examine various health-related factors in young adults, new participants were added to the KNHS cohort in the 11th (n=1,000) and 12th (n=1,002) surveys. The KNHS cohort will help identify health and illness determinants in Korean women. Data can be accessed at https://coda.nih.go.kr/frt/index.do.
8.National Survey of Gastroschisis and Omphalocele by Korean Association of Pediatric Surgeons
Yeon Jun JEONG ; Dayoung KO ; Eun-Jung KOO ; Hyunhee KWON ; Dae Yeon KIM ; Soo-Hong KIM ; Wontae KIM ; Hae-Young KIM ; Hyun Young KIM ; Seong Chul KIM ; Younghyun NA ; Jung-Man NAMGOONG ; So Hyun NAM ; Sungjoo PARK ; Junbeom PARK ; Jinyoung PARK ; Tae-Jun PARK ; Jeong-Meen SEO ; Ji-Young SUL ; Joonhyuk SON ; Hyun Beak SHIN ; Joohyun SIM ; Jung-Tak OH ; Chaeyoun OH ; Joong Kee YOUN ; Sanghoon LEE ; Ju Yeon LEE ; Cheolgu LEE ; Kyong IHN ; Eunyoung JUNG ; Jae Hee CHUNG ; Yong-Hoon CHO ; Yun Mee CHOE ; Soo Jin Na CHOI ; Seok Joo HAN ; In Geol HO
Advances in Pediatric Surgery 2024;30(2):39-51
Purpose:
This study provides insights into the prevalence at birth, clinical characteristics, and outcomes of gastroschisis and omphalocele in Korea over the past decade, addressing the lack of localized data despite advanced healthcare capabilities.
Methods:
The study retrospectively analyzed data from 20 pediatric surgical centers in Korea from January 2012 to December 2021, including 269 patients diagnosed with gastroschisis or omphalocele. Data variables included gender, gestational age, birth weight, associated anomalies, type of defect, surgical interventions, and outcomes.
Results:
The study covered 269 patients, with 80 gastroschisis and 189 omphalocele cases. Gastroschisis prevalence at birth remained stable at 2.15 per 100,000 live births, while omphalocele increased to 5.08 per 100,000. Both conditions had similar gender ratios (0.95). Gastroschisis patients had lower birth weights (2,463.90±505.50 g) and smaller head circumferences (31.97±1.86 cm) compared to omphalocele patients (2,757.65±761.24 g, 32.78±2.64 cm). Omphalocele cases had more associated anomalies, especially cardiovascular issues. Prenatal diagnosis rates were high: 93.7% for gastroschisis and 86.4% for omphalocele. About 96.3% of gastroschisis and 84.1% of omphalocele patients were born in their treatment hospitals. Gastroschisis patients underwent surgery sooner (average 3.5 days) and started feeding later (16.5 days) than omphalocele patients (average 56.5 days to surgery, 6.6 days to start feeding). Hospital stays and follow-up durations were similar, averaging around 782.6 days for gastroschisis and 800.3 days for omphalocele patients. Survival rates were 89.7% for gastroschisis and 87.1% for omphalocele.
Conclusion
The study highlights the need for early diagnosis, centralized care, and specialized surgical approaches to optimize outcomes for gastroschisis and omphalocele patients in Korea. Enhanced prenatal screening and surgical protocols are recommended to improve these patients' prognosis.
9.Concept Analysis of Illness Acceptance in Chronic Disease: Application of Hybrid Model Method
Il Sun KO ; Hyunju JI ; Soyun HONG ; Eunyoung JUNG
Journal of Korean Academy of Fundamental Nursing 2021;28(1):67-82
Purpose:
This study was done clarify the concept of illness acceptance in patients with chronic disease.
Methods:
This study was conducted using a hybrid model of concept analysis that consists of three phases. In the theoretical phase, a working definition was formulated through a systematic review. In the fieldwork phase, five participants who had diabetes or hypertension for at least one year were interviewed. In the third phase, the results were combined in the final analysis.
Results:
There are three phases of accepting an illness: experiencing the limits, disease management, and designing new life. At the experience of the limits and disease management stages, the attributes of physical, psychological and social domains were derived, but at the stage of designing their new life, integrated attributes of these three domains were derived.
Conclusion
Illness acceptance of chronic disease was defined as a continuous and dynamic process in three phases. First, patients experience limitations due to the disease, such as physical illness, psychological instability, and difficulty performing social roles. Second, patients manage the disease by engaging in self-management, psychological coping strategies, and establishing social support. Third, patients design their new life by seeking better health-related quality of life and integrating the illness into their everyday life. However, patients experienced negative changes when disease management was not performed properly. The fact that illness acceptance could be cyclic means the difference between illness and loss/death acceptance. Nurse should develop and provide an integrated nursing intervention that is appropriate for phases of illness acceptance.
10.Psychological Impact of Quarantine on Caregivers at a Children's Hospital for Contact with Case of COVID-19
Harin KIM ; Kee Jeong PARK ; Yong-Wook SHIN ; Jung Sun LEE ; Seockhoon CHUNG ; Taeyeop LEE ; Min-Jae KIM ; Jiwon JUNG ; Jina LEE ; Mi-Sun YUM ; Beom Hee LEE ; Kyung-Nam KOH ; Tae-Sung KO ; Eunyoung LIM ; Jung Soo LEE ; Jee Yeon LEE ; Ji Yeon CHOI ; Hyo Myung HAN ; Woo Ah SHIN ; Nam-Ju LEE ; Sung-Han KIM ; Hyo-Won KIM
Journal of Korean Medical Science 2020;35(28):e255-
Quarantine often provokes negative psychological consequences. Thus, we aimed to identify the psychological and behavioral responses and stressors of caregivers quarantined with young patients after a close contact to a coronavirus disease 2019 case at a children's hospital. More than 90% of the caregivers reported feelings of worry and nervousness, while some of them reported suicidal ideations (4.2%), and/or homicidal ideations (1.4%). Fear of infection of the patient (91.7%) and/or oneself (86.1%) were most frequently reported stressors. A multidisciplinary team including infection control team, pediatrician, psychiatrist, nursing staff and legal department provided supplies and services to reduce caregiver's psychological distress. Psychotropic medication was needed in five (6.9%), one of whom was admitted to the psychiatry department due to suicidality. Quarantine at a children's hospital makes notable psychological impacts on the caregivers and a multidisciplinary approach is required.

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